:root{--bg-cream:#FFF7E8;--bg-mint:#F4FFF9;--card:#FFFFFF;--text:#23313A;--muted:#7A8793;--pink:#FF6B8A;--blue:#567CFF;--purple:#7B61FF;--green:#18B87A;--yellow:#FFD35A;--danger:#EF4444;--radius-card:24px;--radius-button:18px;--radius-pill:999px;--shadow-soft:0 10px 30px rgba(34,49,58,.10);--max-mobile-width:480px;--touch-target:44px;--safe-area-bottom:env(safe-area-inset-bottom,0px)}*{box-sizing:border-box;margin:0;padding:0}body{background:linear-gradient(135deg,var(--bg-cream) 0,var(--bg-mint) 100%);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;-webkit-tap-highlight-color:transparent}.app-shell,body{min-height:100dvh}.app-shell{margin:auto;padding:env(safe-area-inset-top,0) 16px 0;padding-bottom:calc(76px + var(--safe-area-bottom))}.app-shell,.bottom-nav{max-width:var(--max-mobile-width)}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;background:var(--card);border-top:1px solid rgba(0,0,0,.06);display:flex;justify-content:space-around;padding:8px 0;padding-bottom:calc(8px + var(--safe-area-bottom));z-index:100}.bottom-nav a{display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 16px;color:var(--muted);text-decoration:none;font-size:11px;min-height:var(--touch-target);justify-content:center;border-radius:var(--radius-pill);transition:color .2s}.bottom-nav a.active{color:var(--pink)}.bottom-nav a:hover{color:var(--blue)}.nav-icon{width:24px;height:24px;display:flex;align-items:center;justify-content:center;font-size:20px}.card{background:var(--card);border-radius:var(--radius-card);box-shadow:var(--shadow-soft);padding:20px;margin-bottom:16px}.btn-primary{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:16px 24px;background:linear-gradient(135deg,var(--pink),var(--purple));color:white;border:none;border-radius:var(--radius-button);font-size:16px;font-weight:700;cursor:pointer;min-height:var(--touch-target);transition:opacity .2s}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.hero{text-align:center;padding:32px 16px 24px}.hero h1{font-size:28px;font-weight:800;background:linear-gradient(135deg,var(--pink),var(--purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:8px}.hero .pwa-badge{display:inline-flex;align-items:center;gap:4px;background:linear-gradient(135deg,var(--blue),var(--purple));color:white;font-size:11px;padding:4px 10px;border-radius:var(--radius-pill);margin-bottom:12px}.hero p{color:var(--muted);font-size:14px;line-height:1.5}.step-guide{display:flex;justify-content:center;gap:8px;margin:20px 0}.step-guide .step{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--muted)}.step-guide .step-num{width:24px;height:24px;background:var(--pink);color:white;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700}.template-carousel{display:flex;gap:12px;overflow-x:auto;padding:8px 0 16px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}.template-carousel::-webkit-scrollbar{display:none}.template-card{flex:0 0 140px;background:var(--card);border-radius:var(--radius-card);box-shadow:var(--shadow-soft);padding:12px;text-align:center;cursor:pointer;scroll-snap-align:start;border:2px solid transparent;transition:border-color .2s}.template-card.selected{border-color:var(--pink)}.template-card img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:12px;background:var(--bg-cream)}.template-card .name{font-size:13px;font-weight:600;margin-top:8px;color:var(--text)}.template-card .tags{font-size:11px;color:var(--muted);margin-top:4px}.upload-card{border:2px dashed var(--muted);border-radius:var(--radius-card);padding:32px 16px;text-align:center;cursor:pointer;transition:border-color .2s,background .2s}.upload-card:hover{border-color:var(--blue);background:rgba(86,124,255,.04)}.upload-card.drag-over{border-color:var(--green);background:rgba(24,184,122,.08)}.upload-card .upload-icon{font-size:40px;margin-bottom:8px}.upload-card .upload-hint{font-size:13px;color:var(--muted)}.prompt-editor{background:var(--card);border-radius:var(--radius-card);padding:16px;box-shadow:var(--shadow-soft)}.prompt-editor textarea{width:100%;min-height:80px;border:1px solid rgba(0,0,0,.1);border-radius:12px;padding:12px;font-size:14px;resize:none;font-family:inherit;outline:none;transition:border-color .2s}.prompt-editor textarea:focus{border-color:var(--blue)}.preview-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.preview-grid img{aspect-ratio:1;object-fit:cover;border-radius:8px;background:var(--bg-cream)}.skeleton{background:linear-gradient(90deg,var(--bg-cream) 25%,var(--bg-mint) 50%,var(--bg-cream) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:8px}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.toast{position:fixed;top:env(safe-area-inset-top,16px);left:50%;transform:translateX(-50%);background:var(--text);color:white;padding:12px 20px;border-radius:var(--radius-pill);font-size:14px;z-index:9999;max-width:calc(100vw - 32px);text-align:center}.toast.error{background:var(--danger)}.toast.success{background:var(--green)}.page-header{padding:16px 0;font-size:20px;font-weight:700}.search-bar{display:flex;gap:8px;margin-bottom:16px}.search-bar input{flex:1;padding:12px 16px;border:1px solid rgba(0,0,0,.1);border-radius:var(--radius-pill);font-size:14px;outline:none;background:var(--card)}.chip-filter{display:flex;gap:8px;overflow-x:auto;padding-bottom:12px}.chip-filter::-webkit-scrollbar{display:none}.chip{padding:8px 16px;border-radius:var(--radius-pill);font-size:13px;background:var(--card);border:1px solid rgba(0,0,0,.08);white-space:nowrap;cursor:pointer;transition:all .2s}.chip.active{background:var(--pink);color:white;border-color:var(--pink)}.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--radius-pill);font-size:11px;font-weight:600}.badge.draft{background:var(--bg-cream);color:var(--muted)}.badge.generating{background:rgba(86,124,255,.15);color:var(--blue)}.badge.completed{background:rgba(24,184,122,.15);color:var(--green)}.badge.failed{background:rgba(239,68,68,.15);color:var(--danger)}.settings-list{background:var(--card);border-radius:var(--radius-card);overflow:hidden}.settings-item{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid rgba(0,0,0,.05);font-size:15px;cursor:pointer}.settings-item:last-child{border-bottom:none}.settings-item .value{color:var(--muted);font-size:13px}.credit-display{background:linear-gradient(135deg,var(--blue),var(--purple));color:white;border-radius:var(--radius-card);padding:20px;text-align:center;margin-bottom:16px}.credit-display .amount{font-size:36px;font-weight:800}.credit-display .label{font-size:13px;opacity:.8;margin-top:4px}.qc-list{list-style:none}.qc-item{display:flex;align-items:flex-start;gap:12px;padding:12px 0;border-bottom:1px solid rgba(0,0,0,.05);font-size:14px}.qc-item .icon{font-size:18px;flex-shrink:0}.qc-item.pass .icon{color:var(--green)}.qc-item.fail .icon{color:var(--danger)}